Question

Researchers' examination of prosecutorial records in a particular state shows that the mean sentence length for first-offense drug trafficking felonies is 36 months with a standard deviation of 6 months. The records show that the sentence lengths are normally distributed.

1) What percentage of first-time convictions for drug dealing are 20 or fewer months in length?

2) A defense attorney is concerned that his client's sentence was unusually harsh at 40 months. Does the data support his argument? What percent of sentences are 40 months or longer?

Answer 1